package reply

type PongReply struct{}

var PongBytes = []byte("+PONG\r\n")

func (r *PongReply) ToBytes() []byte {
	return PongBytes
}

type OkReply struct{}

var okBytes = []byte("+OK\r\n")

func (r *OkReply) ToBytes() []byte {
	return okBytes
}

var nullBulkBytes = []byte("$-1\r\n")

type NullBulkReply struct{}

func (r *NullBulkReply) ToBytes() []byte {
	return nullBulkBytes
}

func MakeNullBulkReply() *NullBulkReply {
	return &NullBulkReply{}
}

var emptyMultiBulkBytes = []byte("*0\r\n")

type EmptyMultiBulkReply struct{}

func (r *EmptyMultiBulkReply) ToBytes() []byte {
	return emptyMultiBulkBytes
}

func MakeEmptyMultiBulkReply() *EmptyMultiBulkReply {
	return &EmptyMultiBulkReply{}
}

// reply nothing, for commands like subscribe
type NoReply struct{}

var NoBytes = []byte("")

func (r *NoReply) ToBytes() []byte {
	return NoBytes
}